<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use fast\Tree;

/**
 * 班次管理
 *
 * @icon fa fa-circle-o
 */
class Package extends Backend
{
    
    /**
     * Package模型对象
     * @var \app\admin\model\Package
     */
    protected $model = null;
	protected $searchFields = 'id,package_name,category_id';

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Package;
	$this->categoryModel = new \app\common\model\Category;
        $this->view->assign("flagList", $this->model->getFlagList());
    }
	

    public function import()
    {
        // parent::import();
	$file = $this->request->request('file');
        if (!$file) {
            $this->error(__('Parameter %s can not be empty', 'file'));
        }
        $filePath = ROOT_PATH . DS . 'public' . DS . $file;
        if (!is_file($filePath)) {
            $this->error(__('No results were found'));
        }
        //实例化reader
        $ext = pathinfo($filePath, PATHINFO_EXTENSION);
        if (!in_array($ext, ['csv', 'xls', 'xlsx'])) {
            $this->error(__('Unknown data format'));
        }

	if ($ext === 'csv') {
            $file = fopen($filePath, 'r');
            $filePath = tempnam(sys_get_temp_dir(), 'import_csv');
            $fp = fopen($filePath, "w");
            $n = 0;
            while ($line = fgets($file)) {
                $line = rtrim($line, "\n\r\0");
                $encoding = mb_detect_encoding($line, ['utf-8', 'gbk', 'latin1', 'big5']);
                if ($encoding != 'utf-8') {
                    $line = mb_convert_encoding($line, 'utf-8', $encoding);
                }
                if ($n == 0 || preg_match('/^".*"$/', $line)) {
                    fwrite($fp, $line . "\n");
                } else {
                    fwrite($fp, '"' . str_replace(['"', ','], ['""', '","'], $line) . "\"\n");
                }
                $n++;
            }
            fclose($file) || fclose($fp);
        } else {
	    $this->error('当前只允许csv文件！');    
	}

        $arrData = csv_to_array($filePath);

        $this->model->saveAll($arrData);

        $this->success();
    }

    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */
	public function index()
	{
		$categoryArr = collection($this->categoryModel->where('status', 'normal')->where('type','exam')->select())->toArray();
		$categoryMap = array_column($categoryArr, 'name', 'id');

		//设置过滤方法
		$this->request->filter(['strip_tags', 'trim']);
		if ($this->request->isAjax()) {
		    //如果发送的来源是Selectpage，则转发到Selectpage
		    if ($this->request->request('keyField')) {
			return $this->selectpage();
		    }
		    list($where, $sort, $order, $offset, $limit) = $this->buildparams();

		    $list = $this->model
			->where($where)
			->order($sort, $order)
			->paginate($limit);

		    $items = $list->items();
		    $rows = [];
		    foreach ($items as $item) {
			$row = $item->toArray();

			$cid = (int)$row['category_id'];

			$row['category_id'] = isset($categoryMap[$cid]) ? $categoryMap[$cid] . " (id:$cid)" : '-';

			$rows[] = $row;
		    }

		    $result = array("total" => $list->total(), "rows" => $rows);

		    return json($result);
        	}
        	return $this->view->fetch();
	}

	public function add()
	{
		if ($this->request->isPost()) {
			parent::add();
			
		} else {
			$list = collection($this->categoryModel->where('status','normal')->where('type','exam')->select())->toArray();
			$tree = Tree::instance();
			$tree->init($list, 'pid');
			$categoryList = $tree->getTreeList($tree->getTreeArray(0), 'name');
			$categorydata = [];
			foreach ($categoryList as $k => $v)
			{
			    $categorydata[$v['id']] = $v;
			}

			$this->view->assign("parentList", $categorydata);

			return $this->fetch();
		}
	}    

	    public function edit($ids = NULL)
	    {
		$row = $this->model->get($ids);
		if ($this->request->isPost()) {
			parent::edit($ids);
			//$this->token();
            
		} else {
			$list = collection($this->categoryModel->where('status','normal')->where('type','exam')->select())->toArray();
			$tree = Tree::instance();
			$tree->init($list, 'pid');
			$categoryList = $tree->getTreeList($tree->getTreeArray(0), 'name');
			$categorydata = [];
			foreach ($categoryList as $k => $v)
			{
			    $categorydata[$v['id']] = $v;
			}

			$this->view->assign("parentList", $categorydata);
			$this->view->assign("row", $row);

			return $this->fetch();
		}
	    }
}
